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Theory-of-machines Questions Set 6:

Quiz Mode

What are the typical observed peripheral velocities of medium-speed gears?

1 - 3 m/s

3 - 15 m/s

15 - 30 m/s

30 - 50 m/s

Solution:

Which of the following is used to control fluctuations in an engine?

Control valve

Flywheel

Governor

Flywheel and governor

Solution:

Which processes in the Otto cycle are reversible adiabatic?

Compression and expansion.

Heat addition and expansion.

Exhaust

Suction

Solution:

The method of obtaining different mechanisms by fixing different links of a kinematic chain is known as:

Structure

Method

Mechanism

Inversion

Solution:

Which type of earplugs contain silicon rubber and a fixing agent?

Semi insert protectors

Custom moulded earplugs

Pre-fabricated earplugs

Canal caps

Solution:

In a Morse test of a diesel engine, which of the following is cut off or blocked in one of the cylinders?

Fuel injector

Spark plug

Valve mechanism

Cam mechanism

Solution:

Which one of the following is the correct chronological sequence of maximum velocity (in respect to the angle of stroke, speed, lift) for the follower motion of cams?

3-1-2

1-2-3

2-3-1

3-2-1

Solution:

What formula is used to calculate diametral pitch?

(pitch circle diameter) / (number of teeth)

none of these

(number of teeth) / (pitch circle diameter)

(number of teeth) x (pitch circle diameter)

Solution:

If the ratio of the excitation frequency (ω) to the natural frequency (ω_n) is very high for a body vibrating under steady state vibrations, what will be the phase angle for all values of damping factors?

0°

90°

180°

360°

Solution:

A compound train consists of six gears, namely A, B, C, D, E, and F, with 25, 50, 35, 70, 20, and 60 teeth respectively. Find the ratio of the angular speed of the driven gear (F) to the driver gear (A) of the compound train.

1/12

4/15

1/24

Theory-of-machines Questions Set 6:

What are the typical observed peripheral velocities of medium-speed gears?

Solution:

Which of the following is used to control fluctuations in an engine?

Solution:

Which processes in the Otto cycle are reversible adiabatic?

Solution:

The method of obtaining different mechanisms by fixing different links of a kinematic chain is known as:

Solution:

Which type of earplugs contain silicon rubber and a fixing agent?

Solution:

In a Morse test of a diesel engine, which of the following is cut off or blocked in one of the cylinders?

Solution:

Which one of the following is the correct chronological sequence of maximum velocity (in respect to the angle of stroke, speed, lift) for the follower motion of cams?

Solution:

What formula is used to calculate diametral pitch?

Solution:

If the ratio of the excitation frequency (ω) to the natural frequency (ω_n) is very high for a body vibrating under steady state vibrations, what will be the phase angle for all values of damping factors?

Solution:

A compound train consists of six gears, namely A, B, C, D, E, and F, with 25, 50, 35, 70, 20, and 60 teeth respectively. Find the ratio of the angular speed of the driven gear (F) to the driver gear (A) of the compound train.

Solution:

Related Question Sets:

Related Topics:

Theory-of-machines Questions Set 6:

What are the typical observed peripheral velocities of medium-speed gears?

Solution:

Which of the following is used to control fluctuations in an engine?

Solution:

Which processes in the Otto cycle are reversible adiabatic?

Solution:

The method of obtaining different mechanisms by fixing different links of a kinematic chain is known as:

Solution:

Which type of earplugs contain silicon rubber and a fixing agent?

Solution:

In a Morse test of a diesel engine, which of the following is cut off or blocked in one of the cylinders?

Solution:

Which one of the following is the correct chronological sequence of maximum velocity (in respect to the angle of stroke, speed, lift) for the follower motion of cams?

Solution:

What formula is used to calculate diametral pitch?

Solution:

If the ratio of the excitation frequency (ω) to the natural frequency (ωn) is very high for a body vibrating under steady state vibrations, what will be the phase angle for all values of damping factors?

Solution:

A compound train consists of six gears, namely A, B, C, D, E, and F, with 25, 50, 35, 70, 20, and 60 teeth respectively. Find the ratio of the angular speed of the driven gear (F) to the driver gear (A) of the compound train.

Solution:

Related Question Sets:

Related Topics:

If the ratio of the excitation frequency (ω) to the natural frequency (ω_n) is very high for a body vibrating under steady state vibrations, what will be the phase angle for all values of damping factors?